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How do I use su to execute the rest of the bash script as that user?
...y case (I just wanted to drop root privileges and do the rest of my script from restricted user): you can make the script restart itself from correct user. Let's suppose it is run as root initially. Then it will look like this:
#!/bin/bash
if [ $UID -eq 0 ]; then
user=$1
dir=$2
shift 2 # ...
How to enable PHP short tags?
...ion that this style is in use everywhere is a little naive and often comes from developers brought up on a diet of ASP. Clearly it is available but its use is a micro-optimisation and will fail on portability grounds, which is a shame.
– Ian Lewis
Jul 10 '13 at...
How can I create an object and add attributes to it?
...ne) does not complicate, it simplifies. Nowadays on might actually prefer from argparse import Namespace though I wish it lived elsewhere *e.g, collection) -- again reusing a now-existing type, just a better one, and still avoiding new-type creation. But, it wasn't there then:-).
...
How do you implement a “Did you mean”? [duplicate]
...ritive.
So its spell-checking, presumably with a dynamic dictionary build from other searches or even actual internet phrases and such. But that's still spell checking.
SOUNDEX and other guesses don't get a look in, people!
...
Why is a pure virtual function initialized by 0?
...
Please God keep me away from those projects :-)
– anon
Jan 28 '10 at 19:03
27
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Can you have multiple $(document).ready(function(){ … }); sections?
...hat a function defined within one $(document).ready block cannot be called from another $(document).ready block, I just ran this test:
$(document).ready(function() {
alert('hello1');
function saySomething() {
alert('something');
}
saySomething();
});
$(document).ready(funct...
How to use glob() to find files recursively?
...
pathlib.Path.rglob
Use pathlib.Path.rglob from the the pathlib module, which was introduced in Python 3.5.
from pathlib import Path
for path in Path('src').rglob('*.c'):
print(path.name)
If you don't want to use pathlib, use can use glob.glob('**/*.c'), but don...
What is simplest way to read a file into String? [duplicate]
...tring(File, Charset)
Using the given character set, reads all characters from a file into a String
List<String> readLines(File, Charset)
... reads all of the lines from a file into a List<String>, one entry per line
Apache Commons/IO
org.apache.commons.io.IOUtils also offer simi...
How do I save and restore multiple variables in python?
...13906623/… And use `f = open('store.pckl', 'rb') to open a file to read from. Refer to stackoverflow.com/questions/7031699/….
– user3731622
May 20 '15 at 22:53
...
Definition of a Balanced Tree
... For any node in AVL, the height of its left subtree differs by at most 1 from the height of its right subtree.
Next question, what is "height"?
The "height" of a node in a binary tree is the length of the longest path from that node to a leaf.
There is one weird but common case:
Peop...